body,html{
    width: 100%;
    height: 100%;
    background: #f8f8f8;
}
li{
    list-style: none;
}
a{
    text-decoration: none;
}
.px2rem(@name, @px) {
    @{name}: @px / 75 * 1rem;
}
.header{
    width: 100%;
    .px2rem(height, 100);
    background: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
   img{
    .px2rem(width,60);
    .px2rem(height,45);
   
   }
   a{
    padding-right: 6%;
   }
    
}
.nav{
    width: 100%;
    text-align: center;
    background: white;
    .px2rem(font-size,34);
    img{
        .px2rem(weight,150);
        .px2rem(height,150);
       }
}

._nav{
    width: 100%;
   padding-top: 3%;
    display: flex;
    background: white;
    text-align: center;
     justify-content: space-around;
      align-items: center;
   
     img{
         .px2rem(width,50);
         .px2rem(height,60);
         margin-top: 2%;
     }
     
}
.menu{
    width: 100%;
    padding-top: 2%;
    .px2rem(font-size,34);
   li:nth-child(1){
       border-bottom: 1px solid #ccc;
   }
    li{
        padding-top: 2%;
        padding-left: 2%;
        display: flex;
        justify-content: space-between;
        align-items: center;
        .px2rem(line-height,90);
        p:nth-child(3){
           padding-right: 5%;
        }
       
    }
    img{
        margin-top: 2%;
        .px2rem(width,50);
        .px2rem(height,37);
    }
}

.footer{
    z-index: 30;
    width: 100%;
    height: 60px;
    display: flex;
    background: white;
    text-align: center;
     justify-content: space-around;
      align-items: center;
      position: fixed;
      bottom: 0%;
   
     img{
         .px2rem(width,45);
         .px2rem(height,45);
         margin-top: 2%;
     }
     
}